1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of elfcpp.
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public License
10 // as published by the Free Software Foundation; either version 2, or
11 // (at your option) any later version.
13 // In addition to the permissions in the GNU Library General Public
14 // License, the Free Software Foundation gives you unlimited
15 // permission to link the compiled version of this file into
16 // combinations with other programs, and to distribute those
17 // combinations without any restriction coming from the use of this
18 // file. (The Library Public License restrictions do apply in other
19 // respects; for example, they cover modification of the file, and
20 /// distribution when not linked into a combined executable.)
22 // This program is distributed in the hope that it will be useful, but
23 // WITHOUT ANY WARRANTY; without even the implied warranty of
24 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 // Library General Public License for more details.
27 // You should have received a copy of the GNU Library General Public
28 // License along with this program; if not, write to the Free Software
29 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
32 // This is the external interface for elfcpp.
37 #include "elfcpp_swap.h"
46 // These types are always the same size.
48 typedef uint16_t Elf_Half
;
49 typedef uint32_t Elf_Word
;
50 typedef int32_t Elf_Sword
;
51 typedef uint64_t Elf_Xword
;
52 typedef int64_t Elf_Sxword
;
54 // These types vary in size depending on the ELF file class. The
55 // template parameter should be 32 or 64.
63 typedef uint32_t Elf_Addr
;
64 typedef uint32_t Elf_Off
;
65 typedef uint32_t Elf_WXword
;
66 typedef int32_t Elf_Swxword
;
72 typedef uint64_t Elf_Addr
;
73 typedef uint64_t Elf_Off
;
74 typedef uint64_t Elf_WXword
;
75 typedef int64_t Elf_Swxword
;
78 // Offsets within the Ehdr e_ident field.
80 const int EI_MAG0
= 0;
81 const int EI_MAG1
= 1;
82 const int EI_MAG2
= 2;
83 const int EI_MAG3
= 3;
84 const int EI_CLASS
= 4;
85 const int EI_DATA
= 5;
86 const int EI_VERSION
= 6;
87 const int EI_OSABI
= 7;
88 const int EI_ABIVERSION
= 8;
90 const int EI_NIDENT
= 16;
92 // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
94 const int ELFMAG0
= 0x7f;
95 const int ELFMAG1
= 'E';
96 const int ELFMAG2
= 'L';
97 const int ELFMAG3
= 'F';
99 // The valid values found in Ehdr e_ident[EI_CLASS].
108 // The valid values found in Ehdr e_ident[EI_DATA].
117 // The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
125 // The valid values found in Ehdr e_ident[EI_OSABI].
132 // ELFOSABI_LINUX is not listed in the ELF standard.
134 // ELFOSABI_HURD is not listed in the ELF standard.
136 ELFOSABI_SOLARIS
= 6,
139 ELFOSABI_FREEBSD
= 9,
141 ELFOSABI_MODESTO
= 11,
142 ELFOSABI_OPENBSD
= 12,
143 ELFOSABI_OPENVMS
= 13,
146 // A GNU extension for the ARM.
148 // A GNU extension for the MSP.
149 ELFOSABI_STANDALONE
= 255
152 // The valid values found in the Ehdr e_type field.
167 // The valid values found in the Ehdr e_machine field.
177 // 6 used to be EM_486
182 // 11 was the old Sparc V9 ABI.
183 // 12 through 14 are reserved.
186 // Some old PowerPC object files use 17.
193 // 23 through 35 are served.
257 // Some old picoJava object files use 99 (EM_PJ is correct).
270 EM_ALTERA_NIOS2
= 113,
278 // Infineon Technologies 16-bit microcontroller with C166-V2 core.
281 EM_XSTORMY16
= 0xad45,
288 // Old AVR objects used 0x1057 (EM_AVR is correct).
289 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
290 // Old FR30 objects used 0x3330 (EM_FR30 is correct).
291 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
292 // Old D10V objects used 0x7650 (EM_D10V is correct).
293 // Old D30V objects used 0x7676 (EM_D30V is correct).
294 // Old IP2X objects used 0x8217 (EM_IP2K is correct).
295 // Old PowerPC objects used 0x9025 (EM_PPC is correct).
296 // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
297 // Old M32R objects used 0x9041 (EM_M32R is correct).
298 // Old V850 objects used 0x9080 (EM_V850 is correct).
299 // Old S/390 objects used 0xa390 (EM_S390 is correct).
300 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
301 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
302 // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
305 // Special section indices.
310 SHN_LORESERVE
= 0xff00,
318 SHN_HIRESERVE
= 0xffff,
320 // Provide for initial and final section ordering in conjunction
321 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
325 // x86_64 specific large common symbol.
326 SHN_X86_64_LCOMMON
= 0xff02
329 // The valid values found in the Shdr sh_type field.
347 SHT_PREINIT_ARRAY
= 16,
349 SHT_SYMTAB_SHNDX
= 18,
350 SHT_LOOS
= 0x60000000,
351 SHT_HIOS
= 0x6fffffff,
352 SHT_LOPROC
= 0x70000000,
353 SHT_HIPROC
= 0x7fffffff,
354 SHT_LOUSER
= 0x80000000,
355 SHT_HIUSER
= 0xffffffff,
356 // The remaining values are not in the standard.
357 // Incremental build data.
358 SHT_GNU_INCREMENTAL_INPUTS
= 0x6fff4700,
359 // Object attributes.
360 SHT_GNU_ATTRIBUTES
= 0x6ffffff5,
361 // GNU style dynamic hash table.
362 SHT_GNU_HASH
= 0x6ffffff6,
363 // List of prelink dependencies.
364 SHT_GNU_LIBLIST
= 0x6ffffff7,
365 // Versions defined by file.
366 SHT_SUNW_verdef
= 0x6ffffffd,
367 SHT_GNU_verdef
= 0x6ffffffd,
368 // Versions needed by file.
369 SHT_SUNW_verneed
= 0x6ffffffe,
370 SHT_GNU_verneed
= 0x6ffffffe,
372 SHT_SUNW_versym
= 0x6fffffff,
373 SHT_GNU_versym
= 0x6fffffff,
375 SHT_SPARC_GOTDATA
= 0x70000000,
377 // ARM-specific section types.
378 // Exception Index table.
379 SHT_ARM_EXIDX
= 0x70000001,
380 // BPABI DLL dynamic linking pre-emption map.
381 SHT_ARM_PREEMPTMAP
= 0x70000002,
382 // Object file compatibility attributes.
383 SHT_ARM_ATTRIBUTES
= 0x70000003,
384 // Support for debugging overlaid programs.
385 SHT_ARM_DEBUGOVERLAY
= 0x70000004,
386 SHT_ARM_OVERLAYSECTION
= 0x70000005,
388 // x86_64 unwind information.
389 SHT_X86_64_UNWIND
= 0x70000001,
391 // Link editor is to sort the entries in this section based on the
392 // address specified in the associated symbol table entry.
393 SHT_ORDERED
= 0x7fffffff,
396 // The valid bit flags found in the Shdr sh_flags field.
405 SHF_INFO_LINK
= 0x40,
406 SHF_LINK_ORDER
= 0x80,
407 SHF_OS_NONCONFORMING
= 0x100,
410 SHF_MASKOS
= 0x0ff00000,
411 SHF_MASKPROC
= 0xf0000000,
413 // Indicates this section requires ordering in relation to
414 // other sections of the same type. Ordered sections are
415 // combined within the section pointed to by the sh_link entry.
416 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
417 // sorted section is to precede or follow, respectively, all
418 // other sections in the set being ordered.
419 SHF_ORDERED
= 0x40000000,
420 // This section is excluded from input to the link-edit of an
421 // executable or shared object. This flag is ignored if SHF_ALLOC
422 // is also set, or if relocations exist against the section.
423 SHF_EXCLUDE
= 0x80000000,
425 // x86_64 specific large section.
426 SHF_X86_64_LARGE
= 0x10000000
429 // Bit flags which appear in the first 32-bit word of the section data
430 // of a SHT_GROUP section.
435 GRP_MASKOS
= 0x0ff00000,
436 GRP_MASKPROC
= 0xf0000000
439 // The valid values found in the Phdr p_type field.
451 PT_LOOS
= 0x60000000,
452 PT_HIOS
= 0x6fffffff,
453 PT_LOPROC
= 0x70000000,
454 PT_HIPROC
= 0x7fffffff,
455 // The remaining values are not in the standard.
456 // Frame unwind information.
457 PT_GNU_EH_FRAME
= 0x6474e550,
458 PT_SUNW_EH_FRAME
= 0x6474e550,
460 PT_GNU_STACK
= 0x6474e551,
461 // Read only after relocation.
462 PT_GNU_RELRO
= 0x6474e552,
463 // Platform architecture compatibility information
464 PT_ARM_ARCHEXT
= 0x70000000,
465 // Exception unwind tables
466 PT_ARM_EXIDX
= 0x70000001
469 // The valid bit flags found in the Phdr p_flags field.
476 PF_MASKOS
= 0x0ff00000,
477 PF_MASKPROC
= 0xf0000000
480 // Symbol binding from Sym st_info field.
493 // Symbol types from Sym st_info field.
510 // The section type that must be used for register symbols on
511 // Sparc. These symbols initialize a global register.
512 STT_SPARC_REGISTER
= 13,
514 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
515 // used by the GNU tool-chain.
520 elf_st_bind(unsigned char info
)
522 return static_cast<STB
>(info
>> 4);
526 elf_st_type(unsigned char info
)
528 return static_cast<STT
>(info
& 0xf);
532 elf_st_info(STB bind
, STT type
)
534 return ((static_cast<unsigned char>(bind
) << 4)
535 + (static_cast<unsigned char>(type
) & 0xf));
538 // Symbol visibility from Sym st_other field.
549 elf_st_visibility(unsigned char other
)
551 return static_cast<STV
>(other
& 0x3);
555 elf_st_nonvis(unsigned char other
)
557 return static_cast<STV
>(other
>> 2);
561 elf_st_other(STV vis
, unsigned char nonvis
)
563 return ((nonvis
<< 2)
564 + (static_cast<unsigned char>(vis
) & 3));
567 // Reloc information from Rel/Rela r_info field.
571 elf_r_sym(typename Elf_types
<size
>::Elf_WXword
);
575 elf_r_sym
<32>(Elf_Word v
)
582 elf_r_sym
<64>(Elf_Xword v
)
589 elf_r_type(typename Elf_types
<size
>::Elf_WXword
);
593 elf_r_type
<32>(Elf_Word v
)
600 elf_r_type
<64>(Elf_Xword v
)
602 return v
& 0xffffffff;
606 typename Elf_types
<size
>::Elf_WXword
607 elf_r_info(unsigned int s
, unsigned int t
);
611 elf_r_info
<32>(unsigned int s
, unsigned int t
)
613 return (s
<< 8) + (t
& 0xff);
618 elf_r_info
<64>(unsigned int s
, unsigned int t
)
620 return (static_cast<Elf_Xword
>(s
) << 32) + (t
& 0xffffffff);
623 // Dynamic tags found in the PT_DYNAMIC segment.
654 DT_INIT_ARRAYSZ
= 27,
655 DT_FINI_ARRAYSZ
= 28,
659 DT_PREINIT_ARRAY
= 33,
660 DT_PREINIT_ARRAYSZ
= 33,
661 DT_LOOS
= 0x6000000d,
662 DT_HIOS
= 0x6ffff000,
663 DT_LOPROC
= 0x70000000,
664 DT_HIPROC
= 0x7fffffff,
666 // The remaining values are extensions used by GNU or Solaris.
667 DT_VALRNGLO
= 0x6ffffd00,
668 DT_GNU_PRELINKED
= 0x6ffffdf5,
669 DT_GNU_CONFLICTSZ
= 0x6ffffdf6,
670 DT_GNU_LIBLISTSZ
= 0x6ffffdf7,
671 DT_CHECKSUM
= 0x6ffffdf8,
672 DT_PLTPADSZ
= 0x6ffffdf9,
673 DT_MOVEENT
= 0x6ffffdfa,
674 DT_MOVESZ
= 0x6ffffdfb,
675 DT_FEATURE
= 0x6ffffdfc,
676 DT_POSFLAG_1
= 0x6ffffdfd,
677 DT_SYMINSZ
= 0x6ffffdfe,
678 DT_SYMINENT
= 0x6ffffdff,
679 DT_VALRNGHI
= 0x6ffffdff,
681 DT_ADDRRNGLO
= 0x6ffffe00,
682 DT_GNU_HASH
= 0x6ffffef5,
683 DT_TLSDESC_PLT
= 0x6ffffef6,
684 DT_TLSDESC_GOT
= 0x6ffffef7,
685 DT_GNU_CONFLICT
= 0x6ffffef8,
686 DT_GNU_LIBLIST
= 0x6ffffef9,
687 DT_CONFIG
= 0x6ffffefa,
688 DT_DEPAUDIT
= 0x6ffffefb,
689 DT_AUDIT
= 0x6ffffefc,
690 DT_PLTPAD
= 0x6ffffefd,
691 DT_MOVETAB
= 0x6ffffefe,
692 DT_SYMINFO
= 0x6ffffeff,
693 DT_ADDRRNGHI
= 0x6ffffeff,
695 DT_RELACOUNT
= 0x6ffffff9,
696 DT_RELCOUNT
= 0x6ffffffa,
697 DT_FLAGS_1
= 0x6ffffffb,
698 DT_VERDEF
= 0x6ffffffc,
699 DT_VERDEFNUM
= 0x6ffffffd,
700 DT_VERNEED
= 0x6ffffffe,
701 DT_VERNEEDNUM
= 0x6fffffff,
703 DT_VERSYM
= 0x6ffffff0,
705 // Specify the value of _GLOBAL_OFFSET_TABLE_.
706 DT_PPC_GOT
= 0x70000000,
708 // Specify the start of the .glink section.
709 DT_PPC64_GLINK
= 0x70000000,
711 // Specify the start and size of the .opd section.
712 DT_PPC64_OPD
= 0x70000001,
713 DT_PPC64_OPDSZ
= 0x70000002,
715 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
716 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
717 // symbol in the symbol table.
718 DT_SPARC_REGISTER
= 0x70000001,
720 DT_AUXILIARY
= 0x7ffffffd,
721 DT_USED
= 0x7ffffffe,
722 DT_FILTER
= 0x7fffffff
725 // Flags found in the DT_FLAGS dynamic element.
736 // Flags found in the DT_FLAGS_1 dynamic element.
744 DF_1_LOADFLTR
= 0x10,
745 DF_1_INITFIRST
= 0x20,
750 DF_1_INTERPOSE
= 0x400,
751 DF_1_NODEFLIB
= 0x800,
752 DF_1_NODUMP
= 0x1000,
753 DF_1_CONLFAT
= 0x2000,
756 // Version numbers which appear in the vd_version field of a Verdef
759 const int VER_DEF_NONE
= 0;
760 const int VER_DEF_CURRENT
= 1;
762 // Version numbers which appear in the vn_version field of a Verneed
765 const int VER_NEED_NONE
= 0;
766 const int VER_NEED_CURRENT
= 1;
768 // Bit flags which appear in vd_flags of Verdef and vna_flags of
771 const int VER_FLG_BASE
= 0x1;
772 const int VER_FLG_WEAK
= 0x2;
774 // Special constants found in the SHT_GNU_versym entries.
776 const int VER_NDX_LOCAL
= 0;
777 const int VER_NDX_GLOBAL
= 1;
779 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
780 // the symbol is hidden and can only be seen when referenced using an
781 // explicit version number. This is a GNU extension.
783 const int VERSYM_HIDDEN
= 0x8000;
785 // This is the mask for the rest of the data in a word read from a
786 // SHT_GNU_versym section.
788 const int VERSYM_VERSION
= 0x7fff;
790 // Note descriptor type codes for notes in a non-core file with an
797 // An architecture string.
801 // Note descriptor type codes for notes in a non-core file with the
806 // The minimum ABI level. This is used by the dynamic linker to
807 // describe the minimal kernel version on which a shared library may
808 // be used. Th value should be four words. Word 0 is an OS
809 // descriptor (see below). Word 1 is the major version of the ABI.
810 // Word 2 is the minor version. Word 3 is the subminor version.
812 // Hardware capabilities information. Word 0 is the number of
813 // entries. Word 1 is a bitmask of enabled entries. The rest of
814 // the descriptor is a series of entries, where each entry is a
815 // single byte followed by a nul terminated string. The byte gives
816 // the bit number to test if enabled in the bitmask.
818 // The build ID as set by the linker's --build-id option. The
819 // format of the descriptor depends on the build ID style.
821 // The version of gold used to link. Th descriptor is just a
823 NT_GNU_GOLD_VERSION
= 4
826 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
830 ELF_NOTE_OS_LINUX
= 0,
832 ELF_NOTE_OS_SOLARIS2
= 2,
833 ELF_NOTE_OS_FREEBSD
= 3,
834 ELF_NOTE_OS_NETBSD
= 4,
835 ELF_NOTE_OS_SYLLABLE
= 5
838 } // End namespace elfcpp.
840 // Include internal details after defining the types.
841 #include "elfcpp_internal.h"
846 // The offset of the ELF file header in the ELF file.
848 const int file_header_offset
= 0;
850 // ELF structure sizes.
855 // Size of ELF file header.
856 static const int ehdr_size
= sizeof(internal::Ehdr_data
<size
>);
857 // Size of ELF segment header.
858 static const int phdr_size
= sizeof(internal::Phdr_data
<size
>);
859 // Size of ELF section header.
860 static const int shdr_size
= sizeof(internal::Shdr_data
<size
>);
861 // Size of ELF symbol table entry.
862 static const int sym_size
= sizeof(internal::Sym_data
<size
>);
863 // Sizes of ELF reloc entries.
864 static const int rel_size
= sizeof(internal::Rel_data
<size
>);
865 static const int rela_size
= sizeof(internal::Rela_data
<size
>);
866 // Size of ELF dynamic entry.
867 static const int dyn_size
= sizeof(internal::Dyn_data
<size
>);
868 // Size of ELF version structures.
869 static const int verdef_size
= sizeof(internal::Verdef_data
);
870 static const int verdaux_size
= sizeof(internal::Verdaux_data
);
871 static const int verneed_size
= sizeof(internal::Verneed_data
);
872 static const int vernaux_size
= sizeof(internal::Vernaux_data
);
875 // Accessor class for the ELF file header.
877 template<int size
, bool big_endian
>
881 Ehdr(const unsigned char* p
)
882 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(p
))
885 template<typename File
>
886 Ehdr(File
* file
, typename
File::Location loc
)
887 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(
888 file
->view(loc
.file_offset
, loc
.data_size
).data()))
893 { return this->p_
->e_ident
; }
897 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_type
); }
900 get_e_machine() const
901 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_machine
); }
904 get_e_version() const
905 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_version
); }
907 typename Elf_types
<size
>::Elf_Addr
909 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_entry
); }
911 typename Elf_types
<size
>::Elf_Off
913 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_phoff
); }
915 typename Elf_types
<size
>::Elf_Off
917 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_shoff
); }
921 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_flags
); }
925 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_ehsize
); }
928 get_e_phentsize() const
929 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phentsize
); }
933 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phnum
); }
936 get_e_shentsize() const
937 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shentsize
); }
941 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shnum
); }
944 get_e_shstrndx() const
945 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shstrndx
); }
948 const internal::Ehdr_data
<size
>* p_
;
951 // Write class for the ELF file header.
953 template<int size
, bool big_endian
>
957 Ehdr_write(unsigned char* p
)
958 : p_(reinterpret_cast<internal::Ehdr_data
<size
>*>(p
))
962 put_e_ident(const unsigned char v
[EI_NIDENT
]) const
963 { memcpy(this->p_
->e_ident
, v
, EI_NIDENT
); }
966 put_e_type(Elf_Half v
)
967 { this->p_
->e_type
= Convert
<16, big_endian
>::convert_host(v
); }
970 put_e_machine(Elf_Half v
)
971 { this->p_
->e_machine
= Convert
<16, big_endian
>::convert_host(v
); }
974 put_e_version(Elf_Word v
)
975 { this->p_
->e_version
= Convert
<32, big_endian
>::convert_host(v
); }
978 put_e_entry(typename Elf_types
<size
>::Elf_Addr v
)
979 { this->p_
->e_entry
= Convert
<size
, big_endian
>::convert_host(v
); }
982 put_e_phoff(typename Elf_types
<size
>::Elf_Off v
)
983 { this->p_
->e_phoff
= Convert
<size
, big_endian
>::convert_host(v
); }
986 put_e_shoff(typename Elf_types
<size
>::Elf_Off v
)
987 { this->p_
->e_shoff
= Convert
<size
, big_endian
>::convert_host(v
); }
990 put_e_flags(Elf_Word v
)
991 { this->p_
->e_flags
= Convert
<32, big_endian
>::convert_host(v
); }
994 put_e_ehsize(Elf_Half v
)
995 { this->p_
->e_ehsize
= Convert
<16, big_endian
>::convert_host(v
); }
998 put_e_phentsize(Elf_Half v
)
999 { this->p_
->e_phentsize
= Convert
<16, big_endian
>::convert_host(v
); }
1002 put_e_phnum(Elf_Half v
)
1003 { this->p_
->e_phnum
= Convert
<16, big_endian
>::convert_host(v
); }
1006 put_e_shentsize(Elf_Half v
)
1007 { this->p_
->e_shentsize
= Convert
<16, big_endian
>::convert_host(v
); }
1010 put_e_shnum(Elf_Half v
)
1011 { this->p_
->e_shnum
= Convert
<16, big_endian
>::convert_host(v
); }
1014 put_e_shstrndx(Elf_Half v
)
1015 { this->p_
->e_shstrndx
= Convert
<16, big_endian
>::convert_host(v
); }
1018 internal::Ehdr_data
<size
>* p_
;
1021 // Accessor class for an ELF section header.
1023 template<int size
, bool big_endian
>
1027 Shdr(const unsigned char* p
)
1028 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(p
))
1031 template<typename File
>
1032 Shdr(File
* file
, typename
File::Location loc
)
1033 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(
1034 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1039 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_name
); }
1043 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_type
); }
1045 typename Elf_types
<size
>::Elf_WXword
1046 get_sh_flags() const
1047 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_flags
); }
1049 typename Elf_types
<size
>::Elf_Addr
1051 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addr
); }
1053 typename Elf_types
<size
>::Elf_Off
1054 get_sh_offset() const
1055 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_offset
); }
1057 typename Elf_types
<size
>::Elf_WXword
1059 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_size
); }
1063 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_link
); }
1067 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_info
); }
1069 typename Elf_types
<size
>::Elf_WXword
1070 get_sh_addralign() const
1072 Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addralign
); }
1074 typename Elf_types
<size
>::Elf_WXword
1075 get_sh_entsize() const
1076 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_entsize
); }
1079 const internal::Shdr_data
<size
>* p_
;
1082 // Write class for an ELF section header.
1084 template<int size
, bool big_endian
>
1088 Shdr_write(unsigned char* p
)
1089 : p_(reinterpret_cast<internal::Shdr_data
<size
>*>(p
))
1093 put_sh_name(Elf_Word v
)
1094 { this->p_
->sh_name
= Convert
<32, big_endian
>::convert_host(v
); }
1097 put_sh_type(Elf_Word v
)
1098 { this->p_
->sh_type
= Convert
<32, big_endian
>::convert_host(v
); }
1101 put_sh_flags(typename Elf_types
<size
>::Elf_WXword v
)
1102 { this->p_
->sh_flags
= Convert
<size
, big_endian
>::convert_host(v
); }
1105 put_sh_addr(typename Elf_types
<size
>::Elf_Addr v
)
1106 { this->p_
->sh_addr
= Convert
<size
, big_endian
>::convert_host(v
); }
1109 put_sh_offset(typename Elf_types
<size
>::Elf_Off v
)
1110 { this->p_
->sh_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1113 put_sh_size(typename Elf_types
<size
>::Elf_WXword v
)
1114 { this->p_
->sh_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1117 put_sh_link(Elf_Word v
)
1118 { this->p_
->sh_link
= Convert
<32, big_endian
>::convert_host(v
); }
1121 put_sh_info(Elf_Word v
)
1122 { this->p_
->sh_info
= Convert
<32, big_endian
>::convert_host(v
); }
1125 put_sh_addralign(typename Elf_types
<size
>::Elf_WXword v
)
1126 { this->p_
->sh_addralign
= Convert
<size
, big_endian
>::convert_host(v
); }
1129 put_sh_entsize(typename Elf_types
<size
>::Elf_WXword v
)
1130 { this->p_
->sh_entsize
= Convert
<size
, big_endian
>::convert_host(v
); }
1133 internal::Shdr_data
<size
>* p_
;
1136 // Accessor class for an ELF segment header.
1138 template<int size
, bool big_endian
>
1142 Phdr(const unsigned char* p
)
1143 : p_(reinterpret_cast<const internal::Phdr_data
<size
>*>(p
))
1146 template<typename File
>
1147 Phdr(File
* file
, typename
File::Location loc
)
1148 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(
1149 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1154 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_type
); }
1156 typename Elf_types
<size
>::Elf_Off
1157 get_p_offset() const
1158 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_offset
); }
1160 typename Elf_types
<size
>::Elf_Addr
1162 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_vaddr
); }
1164 typename Elf_types
<size
>::Elf_Addr
1166 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_paddr
); }
1168 typename Elf_types
<size
>::Elf_WXword
1169 get_p_filesz() const
1170 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_filesz
); }
1172 typename Elf_types
<size
>::Elf_WXword
1174 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_memsz
); }
1178 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_flags
); }
1180 typename Elf_types
<size
>::Elf_WXword
1182 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_align
); }
1185 const internal::Phdr_data
<size
>* p_
;
1188 // Write class for an ELF segment header.
1190 template<int size
, bool big_endian
>
1194 Phdr_write(unsigned char* p
)
1195 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(p
))
1199 put_p_type(Elf_Word v
)
1200 { this->p_
->p_type
= Convert
<32, big_endian
>::convert_host(v
); }
1203 put_p_offset(typename Elf_types
<size
>::Elf_Off v
)
1204 { this->p_
->p_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1207 put_p_vaddr(typename Elf_types
<size
>::Elf_Addr v
)
1208 { this->p_
->p_vaddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1211 put_p_paddr(typename Elf_types
<size
>::Elf_Addr v
)
1212 { this->p_
->p_paddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1215 put_p_filesz(typename Elf_types
<size
>::Elf_WXword v
)
1216 { this->p_
->p_filesz
= Convert
<size
, big_endian
>::convert_host(v
); }
1219 put_p_memsz(typename Elf_types
<size
>::Elf_WXword v
)
1220 { this->p_
->p_memsz
= Convert
<size
, big_endian
>::convert_host(v
); }
1223 put_p_flags(Elf_Word v
)
1224 { this->p_
->p_flags
= Convert
<32, big_endian
>::convert_host(v
); }
1227 put_p_align(typename Elf_types
<size
>::Elf_WXword v
)
1228 { this->p_
->p_align
= Convert
<size
, big_endian
>::convert_host(v
); }
1231 internal::Phdr_data
<size
>* p_
;
1234 // Accessor class for an ELF symbol table entry.
1236 template<int size
, bool big_endian
>
1240 Sym(const unsigned char* p
)
1241 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(p
))
1244 template<typename File
>
1245 Sym(File
* file
, typename
File::Location loc
)
1246 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(
1247 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1252 { return Convert
<32, big_endian
>::convert_host(this->p_
->st_name
); }
1254 typename Elf_types
<size
>::Elf_Addr
1255 get_st_value() const
1256 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_value
); }
1258 typename Elf_types
<size
>::Elf_WXword
1260 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_size
); }
1264 { return this->p_
->st_info
; }
1268 { return elf_st_bind(this->get_st_info()); }
1272 { return elf_st_type(this->get_st_info()); }
1275 get_st_other() const
1276 { return this->p_
->st_other
; }
1279 get_st_visibility() const
1280 { return elf_st_visibility(this->get_st_other()); }
1283 get_st_nonvis() const
1284 { return elf_st_nonvis(this->get_st_other()); }
1287 get_st_shndx() const
1288 { return Convert
<16, big_endian
>::convert_host(this->p_
->st_shndx
); }
1291 const internal::Sym_data
<size
>* p_
;
1294 // Writer class for an ELF symbol table entry.
1296 template<int size
, bool big_endian
>
1300 Sym_write(unsigned char* p
)
1301 : p_(reinterpret_cast<internal::Sym_data
<size
>*>(p
))
1305 put_st_name(Elf_Word v
)
1306 { this->p_
->st_name
= Convert
<32, big_endian
>::convert_host(v
); }
1309 put_st_value(typename Elf_types
<size
>::Elf_Addr v
)
1310 { this->p_
->st_value
= Convert
<size
, big_endian
>::convert_host(v
); }
1313 put_st_size(typename Elf_types
<size
>::Elf_WXword v
)
1314 { this->p_
->st_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1317 put_st_info(unsigned char v
)
1318 { this->p_
->st_info
= v
; }
1321 put_st_info(STB bind
, STT type
)
1322 { this->p_
->st_info
= elf_st_info(bind
, type
); }
1325 put_st_other(unsigned char v
)
1326 { this->p_
->st_other
= v
; }
1329 put_st_other(STV vis
, unsigned char nonvis
)
1330 { this->p_
->st_other
= elf_st_other(vis
, nonvis
); }
1333 put_st_shndx(Elf_Half v
)
1334 { this->p_
->st_shndx
= Convert
<16, big_endian
>::convert_host(v
); }
1336 Sym
<size
, big_endian
>
1338 { return Sym
<size
, big_endian
>(reinterpret_cast<unsigned char*>(this->p_
)); }
1341 internal::Sym_data
<size
>* p_
;
1344 // Accessor classes for an ELF REL relocation entry.
1346 template<int size
, bool big_endian
>
1350 Rel(const unsigned char* p
)
1351 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(p
))
1354 template<typename File
>
1355 Rel(File
* file
, typename
File::Location loc
)
1356 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(
1357 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1360 typename Elf_types
<size
>::Elf_Addr
1361 get_r_offset() const
1362 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1364 typename Elf_types
<size
>::Elf_WXword
1366 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1369 const internal::Rel_data
<size
>* p_
;
1372 // Writer class for an ELF Rel relocation.
1374 template<int size
, bool big_endian
>
1378 Rel_write(unsigned char* p
)
1379 : p_(reinterpret_cast<internal::Rel_data
<size
>*>(p
))
1383 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1384 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1387 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1388 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1391 internal::Rel_data
<size
>* p_
;
1394 // Accessor class for an ELF Rela relocation.
1396 template<int size
, bool big_endian
>
1400 Rela(const unsigned char* p
)
1401 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(p
))
1404 template<typename File
>
1405 Rela(File
* file
, typename
File::Location loc
)
1406 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(
1407 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1410 typename Elf_types
<size
>::Elf_Addr
1411 get_r_offset() const
1412 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1414 typename Elf_types
<size
>::Elf_WXword
1416 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1418 typename Elf_types
<size
>::Elf_Swxword
1419 get_r_addend() const
1420 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_addend
); }
1423 const internal::Rela_data
<size
>* p_
;
1426 // Writer class for an ELF Rela relocation.
1428 template<int size
, bool big_endian
>
1432 Rela_write(unsigned char* p
)
1433 : p_(reinterpret_cast<internal::Rela_data
<size
>*>(p
))
1437 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1438 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1441 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1442 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1445 put_r_addend(typename Elf_types
<size
>::Elf_Swxword v
)
1446 { this->p_
->r_addend
= Convert
<size
, big_endian
>::convert_host(v
); }
1449 internal::Rela_data
<size
>* p_
;
1452 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1453 // PT_DYNAMIC segment.
1455 template<int size
, bool big_endian
>
1459 Dyn(const unsigned char* p
)
1460 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(p
))
1463 template<typename File
>
1464 Dyn(File
* file
, typename
File::Location loc
)
1465 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(
1466 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1469 typename Elf_types
<size
>::Elf_Swxword
1471 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_tag
); }
1473 typename Elf_types
<size
>::Elf_WXword
1475 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1477 typename Elf_types
<size
>::Elf_Addr
1479 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1482 const internal::Dyn_data
<size
>* p_
;
1485 // Write class for an entry in the SHT_DYNAMIC section.
1487 template<int size
, bool big_endian
>
1491 Dyn_write(unsigned char* p
)
1492 : p_(reinterpret_cast<internal::Dyn_data
<size
>*>(p
))
1496 put_d_tag(typename Elf_types
<size
>::Elf_Swxword v
)
1497 { this->p_
->d_tag
= Convert
<size
, big_endian
>::convert_host(v
); }
1500 put_d_val(typename Elf_types
<size
>::Elf_WXword v
)
1501 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1504 put_d_ptr(typename Elf_types
<size
>::Elf_Addr v
)
1505 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1508 internal::Dyn_data
<size
>* p_
;
1511 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1513 template<int size
, bool big_endian
>
1517 Verdef(const unsigned char* p
)
1518 : p_(reinterpret_cast<const internal::Verdef_data
*>(p
))
1521 template<typename File
>
1522 Verdef(File
* file
, typename
File::Location loc
)
1523 : p_(reinterpret_cast<const internal::Verdef_data
*>(
1524 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1528 get_vd_version() const
1529 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_version
); }
1532 get_vd_flags() const
1533 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_flags
); }
1537 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_ndx
); }
1541 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_cnt
); }
1545 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_hash
); }
1549 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_aux
); }
1553 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_next
); }
1556 const internal::Verdef_data
* p_
;
1559 template<int size
, bool big_endian
>
1563 Verdef_write(unsigned char* p
)
1564 : p_(reinterpret_cast<internal::Verdef_data
*>(p
))
1568 set_vd_version(Elf_Half v
)
1569 { this->p_
->vd_version
= Convert
<16, big_endian
>::convert_host(v
); }
1572 set_vd_flags(Elf_Half v
)
1573 { this->p_
->vd_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1576 set_vd_ndx(Elf_Half v
)
1577 { this->p_
->vd_ndx
= Convert
<16, big_endian
>::convert_host(v
); }
1580 set_vd_cnt(Elf_Half v
)
1581 { this->p_
->vd_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1584 set_vd_hash(Elf_Word v
)
1585 { this->p_
->vd_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1588 set_vd_aux(Elf_Word v
)
1589 { this->p_
->vd_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1592 set_vd_next(Elf_Word v
)
1593 { this->p_
->vd_next
= Convert
<32, big_endian
>::convert_host(v
); }
1596 internal::Verdef_data
* p_
;
1599 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1602 template<int size
, bool big_endian
>
1606 Verdaux(const unsigned char* p
)
1607 : p_(reinterpret_cast<const internal::Verdaux_data
*>(p
))
1610 template<typename File
>
1611 Verdaux(File
* file
, typename
File::Location loc
)
1612 : p_(reinterpret_cast<const internal::Verdaux_data
*>(
1613 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1617 get_vda_name() const
1618 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_name
); }
1621 get_vda_next() const
1622 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_next
); }
1625 const internal::Verdaux_data
* p_
;
1628 template<int size
, bool big_endian
>
1632 Verdaux_write(unsigned char* p
)
1633 : p_(reinterpret_cast<internal::Verdaux_data
*>(p
))
1637 set_vda_name(Elf_Word v
)
1638 { this->p_
->vda_name
= Convert
<32, big_endian
>::convert_host(v
); }
1641 set_vda_next(Elf_Word v
)
1642 { this->p_
->vda_next
= Convert
<32, big_endian
>::convert_host(v
); }
1645 internal::Verdaux_data
* p_
;
1648 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1650 template<int size
, bool big_endian
>
1654 Verneed(const unsigned char* p
)
1655 : p_(reinterpret_cast<const internal::Verneed_data
*>(p
))
1658 template<typename File
>
1659 Verneed(File
* file
, typename
File::Location loc
)
1660 : p_(reinterpret_cast<const internal::Verneed_data
*>(
1661 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1665 get_vn_version() const
1666 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_version
); }
1670 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_cnt
); }
1674 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_file
); }
1678 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_aux
); }
1682 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_next
); }
1685 const internal::Verneed_data
* p_
;
1688 template<int size
, bool big_endian
>
1692 Verneed_write(unsigned char* p
)
1693 : p_(reinterpret_cast<internal::Verneed_data
*>(p
))
1697 set_vn_version(Elf_Half v
)
1698 { this->p_
->vn_version
= Convert
<16, big_endian
>::convert_host(v
); }
1701 set_vn_cnt(Elf_Half v
)
1702 { this->p_
->vn_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1705 set_vn_file(Elf_Word v
)
1706 { this->p_
->vn_file
= Convert
<32, big_endian
>::convert_host(v
); }
1709 set_vn_aux(Elf_Word v
)
1710 { this->p_
->vn_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1713 set_vn_next(Elf_Word v
)
1714 { this->p_
->vn_next
= Convert
<32, big_endian
>::convert_host(v
); }
1717 internal::Verneed_data
* p_
;
1720 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1723 template<int size
, bool big_endian
>
1727 Vernaux(const unsigned char* p
)
1728 : p_(reinterpret_cast<const internal::Vernaux_data
*>(p
))
1731 template<typename File
>
1732 Vernaux(File
* file
, typename
File::Location loc
)
1733 : p_(reinterpret_cast<const internal::Vernaux_data
*>(
1734 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1738 get_vna_hash() const
1739 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_hash
); }
1742 get_vna_flags() const
1743 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_flags
); }
1746 get_vna_other() const
1747 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_other
); }
1750 get_vna_name() const
1751 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_name
); }
1754 get_vna_next() const
1755 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_next
); }
1758 const internal::Vernaux_data
* p_
;
1761 template<int size
, bool big_endian
>
1765 Vernaux_write(unsigned char* p
)
1766 : p_(reinterpret_cast<internal::Vernaux_data
*>(p
))
1770 set_vna_hash(Elf_Word v
)
1771 { this->p_
->vna_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1774 set_vna_flags(Elf_Half v
)
1775 { this->p_
->vna_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1778 set_vna_other(Elf_Half v
)
1779 { this->p_
->vna_other
= Convert
<16, big_endian
>::convert_host(v
); }
1782 set_vna_name(Elf_Word v
)
1783 { this->p_
->vna_name
= Convert
<32, big_endian
>::convert_host(v
); }
1786 set_vna_next(Elf_Word v
)
1787 { this->p_
->vna_next
= Convert
<32, big_endian
>::convert_host(v
); }
1790 internal::Vernaux_data
* p_
;
1793 } // End namespace elfcpp.
1795 #endif // !defined(ELFPCP_H)